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Is it true that the number of prime numbers between $20$ and $30$ are 2?

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True

False

answer is A.

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Detailed Solution

It is given the number of prime numbers between

20

and

30

are 2.
According to the rule,
Prime numbers are numbers which have two factors that is

1

and the number itself.
Between 20 and 30 only

23

and

29

have

2

factors so there will be two prime numbers that is

23

and

29 .

Therefore, the number of prime numbers between

20

and

30

are 2 is true.
Hence, the correct option is 1.

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